/* pcy_cache.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
- * project 2004.
+/*
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
+ * 2004.
*/
/* ====================================================================
* Copyright (c) 2004 The OpenSSL Project. All rights reserved.
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
#include "pcy_int.h"
-static int policy_data_cmp(void *pa, void *pb);
+static int policy_data_cmp(const X509_POLICY_DATA *const *a,
+ const X509_POLICY_DATA *const *b);
static int policy_cache_set_int(long *out, ASN1_INTEGER *value);
-/* Set cache entry according to CertificatePolicies extension.
- * Note: this destroys the passed CERTIFICATEPOLICIES structure.
+/*
+ * Set cache entry according to CertificatePolicies extension. Note: this
+ * destroys the passed CERTIFICATEPOLICIES structure.
*/
static int policy_cache_create(X509 *x,
- CERTIFICATEPOLICIES *policies, int crit)
- {
- int i;
- int ret = 0;
- X509_POLICY_CACHE *cache = x->policy_cache;
- X509_POLICY_DATA *data = NULL;
- POLICYINFO *policy;
- if (sk_POLICYINFO_num(policies) == 0)
- goto bad_policy;
- cache->data = sk_X509_POLICY_DATA_new(policy_data_cmp);
- if (!cache->data)
- goto bad_policy;
- for (i = 0; i < sk_POLICYINFO_num(policies); i++)
- {
- policy = sk_POLICYINFO_value(policies, i);
- data = policy_data_new(policy, NULL, crit);
- if (!data)
- goto bad_policy;
- /* Duplicate policy OIDs are illegal: reject if matches
- * found.
- */
- if (OBJ_obj2nid(data->valid_policy) == NID_any_policy)
- {
- if (cache->anyPolicy)
- {
- ret = -1;
- goto bad_policy;
- }
- cache->anyPolicy = data;
- }
- else if (sk_X509_POLICY_DATA_find(cache->data, data) != -1)
- {
- ret = -1;
- goto bad_policy;
- }
- else if (!sk_X509_POLICY_DATA_push(cache->data, data))
- goto bad_policy;
- data = NULL;
- }
- ret = 1;
- bad_policy:
- if (ret == -1)
- x->ex_flags |= EXFLAG_INVALID_POLICY;
- if (data)
- policy_data_free(data);
- sk_POLICYINFO_pop_free(policies, POLICYINFO_free);
- if (ret <= 0)
- {
- sk_X509_POLICY_DATA_pop_free(cache->data, policy_data_free);
- cache->data = NULL;
- }
- return ret;
- }
+ CERTIFICATEPOLICIES *policies, int crit)
+{
+ int i;
+ int ret = 0;
+ X509_POLICY_CACHE *cache = x->policy_cache;
+ X509_POLICY_DATA *data = NULL;
+ POLICYINFO *policy;
+ if (sk_POLICYINFO_num(policies) == 0)
+ goto bad_policy;
+ cache->data = sk_X509_POLICY_DATA_new(policy_data_cmp);
+ if (!cache->data)
+ goto bad_policy;
+ for (i = 0; i < sk_POLICYINFO_num(policies); i++) {
+ policy = sk_POLICYINFO_value(policies, i);
+ data = policy_data_new(policy, NULL, crit);
+ if (!data)
+ goto bad_policy;
+ /*
+ * Duplicate policy OIDs are illegal: reject if matches found.
+ */
+ if (OBJ_obj2nid(data->valid_policy) == NID_any_policy) {
+ if (cache->anyPolicy) {
+ ret = -1;
+ goto bad_policy;
+ }
+ cache->anyPolicy = data;
+ } else if (sk_X509_POLICY_DATA_find(cache->data, data) != -1) {
+ ret = -1;
+ goto bad_policy;
+ } else if (!sk_X509_POLICY_DATA_push(cache->data, data))
+ goto bad_policy;
+ data = NULL;
+ }
+ ret = 1;
+ bad_policy:
+ if (ret == -1)
+ x->ex_flags |= EXFLAG_INVALID_POLICY;
+ if (data)
+ policy_data_free(data);
+ sk_POLICYINFO_pop_free(policies, POLICYINFO_free);
+ if (ret <= 0) {
+ sk_X509_POLICY_DATA_pop_free(cache->data, policy_data_free);
+ cache->data = NULL;
+ }
+ return ret;
+}
-
static int policy_cache_new(X509 *x)
- {
- X509_POLICY_CACHE *cache;
- ASN1_INTEGER *ext_any = NULL;
- POLICY_CONSTRAINTS *ext_pcons = NULL;
- CERTIFICATEPOLICIES *ext_cpols = NULL;
- POLICY_MAPPINGS *ext_pmaps = NULL;
- int i;
- cache = OPENSSL_malloc(sizeof(X509_POLICY_CACHE));
- if (!cache)
- return 0;
- cache->anyPolicy = NULL;
- cache->data = NULL;
- cache->maps = NULL;
- cache->any_skip = -1;
- cache->explicit_skip = -1;
- cache->map_skip = -1;
+{
+ X509_POLICY_CACHE *cache;
+ ASN1_INTEGER *ext_any = NULL;
+ POLICY_CONSTRAINTS *ext_pcons = NULL;
+ CERTIFICATEPOLICIES *ext_cpols = NULL;
+ POLICY_MAPPINGS *ext_pmaps = NULL;
+ int i;
+ cache = OPENSSL_malloc(sizeof(X509_POLICY_CACHE));
+ if (!cache)
+ return 0;
+ cache->anyPolicy = NULL;
+ cache->data = NULL;
+ cache->any_skip = -1;
+ cache->explicit_skip = -1;
+ cache->map_skip = -1;
- x->policy_cache = cache;
+ x->policy_cache = cache;
- /* Handle requireExplicitPolicy *first*. Need to process this
- * even if we don't have any policies.
- */
- ext_pcons = X509_get_ext_d2i(x, NID_policy_constraints, &i, NULL);
+ /*
+ * Handle requireExplicitPolicy *first*. Need to process this even if we
+ * don't have any policies.
+ */
+ ext_pcons = X509_get_ext_d2i(x, NID_policy_constraints, &i, NULL);
- if (!ext_pcons)
- {
- if (i != -1)
- goto bad_cache;
- }
- else
- {
- if (!ext_pcons->requireExplicitPolicy
- && !ext_pcons->inhibitPolicyMapping)
- goto bad_cache;
- if (!policy_cache_set_int(&cache->explicit_skip,
- ext_pcons->requireExplicitPolicy))
- goto bad_cache;
- if (!policy_cache_set_int(&cache->map_skip,
- ext_pcons->inhibitPolicyMapping))
- goto bad_cache;
- }
+ if (!ext_pcons) {
+ if (i != -1)
+ goto bad_cache;
+ } else {
+ if (!ext_pcons->requireExplicitPolicy
+ && !ext_pcons->inhibitPolicyMapping)
+ goto bad_cache;
+ if (!policy_cache_set_int(&cache->explicit_skip,
+ ext_pcons->requireExplicitPolicy))
+ goto bad_cache;
+ if (!policy_cache_set_int(&cache->map_skip,
+ ext_pcons->inhibitPolicyMapping))
+ goto bad_cache;
+ }
- /* Process CertificatePolicies */
+ /* Process CertificatePolicies */
- ext_cpols = X509_get_ext_d2i(x, NID_certificate_policies, &i, NULL);
- /* If no CertificatePolicies extension or problem decoding then
- * there is no point continuing because the valid policies will be
- * NULL.
- */
- if (!ext_cpols)
- {
- /* If not absent some problem with extension */
- if (i != -1)
- goto bad_cache;
- return 1;
- }
+ ext_cpols = X509_get_ext_d2i(x, NID_certificate_policies, &i, NULL);
+ /*
+ * If no CertificatePolicies extension or problem decoding then there is
+ * no point continuing because the valid policies will be NULL.
+ */
+ if (!ext_cpols) {
+ /* If not absent some problem with extension */
+ if (i != -1)
+ goto bad_cache;
+ return 1;
+ }
- i = policy_cache_create(x, ext_cpols, i);
+ i = policy_cache_create(x, ext_cpols, i);
- /* NB: ext_cpols freed by policy_cache_set_policies */
+ /* NB: ext_cpols freed by policy_cache_set_policies */
- if (i <= 0)
- return i;
+ if (i <= 0)
+ return i;
- ext_pmaps = X509_get_ext_d2i(x, NID_policy_mappings, &i, NULL);
+ ext_pmaps = X509_get_ext_d2i(x, NID_policy_mappings, &i, NULL);
- if (!ext_pmaps)
- {
- /* If not absent some problem with extension */
- if (i != -1)
- goto bad_cache;
- }
- else
- {
- i = policy_cache_set_mapping(x, ext_pmaps);
- if (i <= 0)
- goto bad_cache;
- }
+ if (!ext_pmaps) {
+ /* If not absent some problem with extension */
+ if (i != -1)
+ goto bad_cache;
+ } else {
+ i = policy_cache_set_mapping(x, ext_pmaps);
+ if (i <= 0)
+ goto bad_cache;
+ }
- ext_any = X509_get_ext_d2i(x, NID_inhibit_any_policy, &i, NULL);
+ ext_any = X509_get_ext_d2i(x, NID_inhibit_any_policy, &i, NULL);
- if (!ext_any)
- {
- if (i != -1)
- goto bad_cache;
- }
- else if (!policy_cache_set_int(&cache->any_skip, ext_any))
- goto bad_cache;
+ if (!ext_any) {
+ if (i != -1)
+ goto bad_cache;
+ } else if (!policy_cache_set_int(&cache->any_skip, ext_any))
+ goto bad_cache;
- if (0)
- {
- bad_cache:
- x->ex_flags |= EXFLAG_INVALID_POLICY;
- }
+ if (0) {
+ bad_cache:
+ x->ex_flags |= EXFLAG_INVALID_POLICY;
+ }
- if(ext_pcons)
- POLICY_CONSTRAINTS_free(ext_pcons);
+ if (ext_pcons)
+ POLICY_CONSTRAINTS_free(ext_pcons);
- if (ext_any)
- ASN1_INTEGER_free(ext_any);
+ if (ext_any)
+ ASN1_INTEGER_free(ext_any);
- return 1;
+ return 1;
-
}
void policy_cache_free(X509_POLICY_CACHE *cache)
- {
- if (!cache)
- return;
- if (cache->anyPolicy)
- policy_data_free(cache->anyPolicy);
- if (cache->data)
- sk_X509_POLICY_DATA_pop_free(cache->data, policy_data_free);
- OPENSSL_free(cache);
- }
+{
+ if (!cache)
+ return;
+ if (cache->anyPolicy)
+ policy_data_free(cache->anyPolicy);
+ if (cache->data)
+ sk_X509_POLICY_DATA_pop_free(cache->data, policy_data_free);
+ OPENSSL_free(cache);
+}
const X509_POLICY_CACHE *policy_cache_set(X509 *x)
- {
+{
- if (x->policy_cache == NULL)
- {
- CRYPTO_w_lock(CRYPTO_LOCK_X509);
- policy_cache_new(x);
- CRYPTO_w_unlock(CRYPTO_LOCK_X509);
- }
+ if (x->policy_cache == NULL) {
+ CRYPTO_w_lock(CRYPTO_LOCK_X509);
+ policy_cache_new(x);
+ CRYPTO_w_unlock(CRYPTO_LOCK_X509);
+ }
- return x->policy_cache;
+ return x->policy_cache;
- }
+}
X509_POLICY_DATA *policy_cache_find_data(const X509_POLICY_CACHE *cache,
- const ASN1_OBJECT *id)
- {
- int idx;
- X509_POLICY_DATA tmp;
- tmp.valid_policy = (ASN1_OBJECT *)id;
- idx = sk_X509_POLICY_DATA_find(cache->data, &tmp);
- if (idx == -1)
- return NULL;
- return sk_X509_POLICY_DATA_value(cache->data, idx);
- }
+ const ASN1_OBJECT *id)
+{
+ int idx;
+ X509_POLICY_DATA tmp;
+ tmp.valid_policy = (ASN1_OBJECT *)id;
+ idx = sk_X509_POLICY_DATA_find(cache->data, &tmp);
+ if (idx == -1)
+ return NULL;
+ return sk_X509_POLICY_DATA_value(cache->data, idx);
+}
-static int policy_data_cmp(void *pa, void *pb)
- {
- X509_POLICY_DATA **a = pa; X509_POLICY_DATA **b = pb;
- return OBJ_cmp((*a)->valid_policy, (*b)->valid_policy);
- }
+static int policy_data_cmp(const X509_POLICY_DATA *const *a,
+ const X509_POLICY_DATA *const *b)
+{
+ return OBJ_cmp((*a)->valid_policy, (*b)->valid_policy);
+}
static int policy_cache_set_int(long *out, ASN1_INTEGER *value)
- {
- if (value == NULL)
- return 1;
- if (value->type == V_ASN1_NEG_INTEGER)
- return 0;
- *out = ASN1_INTEGER_get(value);
- return 1;
- }
+{
+ if (value == NULL)
+ return 1;
+ if (value->type == V_ASN1_NEG_INTEGER)
+ return 0;
+ *out = ASN1_INTEGER_get(value);
+ return 1;
+}
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